There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 12PM to 12AM | 1PM to 4AM | 5AM to 10PM |
| 4PM to 11PM | 7AM to 1PM | 6AM to 9AM |
| 11AM to 12PM | 4PM to 4AM | 2PM to 1PM |
| 6PM to 2AM | 3PM to 1PM | 7AM to 2PM |
| 4PM to 2AM | 11AM to 8PM | 12PM to 6PM |
| 11AM to 5AM | 10AM to 6PM | 8AM to 6AM |
